Excavator



FIG. 1 is a back, left-side, and top view of a first embodiment of an excavator showing the new design.

FIG. 2 is a left-side elevation view of the excavator.

FIG. 3 is a front, left-side, and top view.

FIG. 4 is a front elevation view.

FIG. 5 is a right-side elevation view.

FIG. 6 is a top plan view.

FIG. 7 is a rear elevation view.

FIG. 8 is a back, left-side, and top view of a second embodiment of an excavator showing the new design.

FIG. 9 is a left-side elevation view of the second excavator.

FIG. 10 is a front, left-side, and top view.

FIG. 11 is a front elevation view.

FIG. 12 is a right-side elevation view.

FIG. 13 is a top plan view; and,

FIG. 14 is a rear elevation view.

The broken lines show elements of the excavators that form no part of the claimed design. 

CLAIM The ornamental design for an excavator, as shown and described. 